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Chapter 5 Questions
Question | Answer |
---|---|
Describe three types of intercellular junctions. | tight junctions (close space), desmosomes (bind cells by forming "spot welds"), and gap junctions (form tubular channels between cells) |
Where is simple squamous epithelium found? | air sacs of lungs |
Where is simple cuboidal epithelium found? | lining of kidney tubules |
Where is simple columnar epithelium found? | lining of intestines |
Where is pseudostratified columnar epithelium found? | lining of respiratory passages |
Where is stratified squamous epithelium found? | outer layer of skin |
Where is stratified cuboidal epithelium found? | linings of ducts of mammary glands |
Where is stratified columnar epithelium found? | part of male urethra |
Where is transitional epithelium found? | lining of urinary bladder |
Where is glandular epithelium found? | salivary glands |
Describe how glands are classified according to the structure of their ducts and the organization of their cells. | review pp. 159-160 |
A gland that secretes substances by exocytosis is a ___________ gland. | merocrine |
___________ are thick fibers that have great tensile strength and are flexible, but only slightly elastic. | collagenous |
Contrast dense regular and dense irregular connective tissues. | DR: binds body parts such as tendons and ligaments DI: sustains tissue tension, found in dermis |
Explain why injured dense regular connective tissue and cartilage are usually slow to heal. | they have low blood supply |
Name the major types of cartilage, and describe their differences and similarities. | all provide support and protection HYALINE: provides framwork; f.i. ends of bones, nose, rings of resp. passages ELASTIC: provides elastic framework; f.i. ear, larynx FIBRO: absorbs shock; f.i. spinal col., knee, pelvic girdle |
The fluid extracellular matrix of blood is called __________. | plasma |
Describe the sturcture of epithelial membranes in contrast to synovial membranes. | epithelial line sufaces and cavities, synovial lies joints |
Identify locations in the body of the four types of membranes. | SEROUS: cavities that do not open to outside MUCOUS: cavities that do open to outside CUTANEOUS: skin SYNOVIAL: joints |
Compare and contrast skeletal, smooth, and cardiac muscle tissues in terms of location, cell appearance, and control. | review p. 174 |
Describe the general characteristics of nervous tissue. | sensory reception and conduction of electrical impulses. f.i. brain, spinal chord |
Distinguish between the functions of neurons and neuroglia. | neurons are the basic cell of nervous system that sense changes and respond///neuroglia are cells that bind nervous tissue, carry on phagocytosis, connect neurons with blood vessels |